Home / 12,516,906.89-17,270,370.78-7,084,398.89

Finding the Fourth Proportional to 12,516,906.89, 17,270,370.78 and 7,084,398.89

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Solution

The fourth proportional to 12,516,906.89, 17,270,370.78 and 7,084,398.89 is: 9,774,794.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516,906.89 : 17,270,370.78 = 7,084,398.89 : x
  2. Step 2: Convert to fraction form
    12,516,906.89/17,270,370.78 = 7,084,398.89/x
  3. Step 3: Cross multiply
    12,516,906.89x = 17,270,370.78 × 7,084,398.89
  4. Step 4: Simplify right side
    12,516,906.89x = 122,350,195,583,720.44
  5. Step 5: Solve for x
    x = 122,350,195,583,720.44/12,516,906.89
  6. Step 6: Final answer
    x = 9,774,794.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.